Frequency Ranges; 29 Ltd Classic Specifications - Cobra 29 LTD Classic User Manual

Frequency Ranges

The COBRA 29 LTD Classic transceiver represents
one of the most advanced AM two-way radios used
as a Class D station in the Citizens Radio Service.
This unit features advanced Phase Lock Loop (PLL)
circuitry providing complete coverage of all 40
CB channels.
Channel
CB Freq. CB
Channel In MHz Channel In MHz
1 26.965 21
2 26.975 22
3 26.985 23
4 27.005 24
5 27.015 25
6 27.025 26
7 27.035 27
8 27.055 28
9 27.065 29
10 27.075 30
11 27.085 31
12 27.105 32
13 27.115 33
14 27.125 34
15 27.135 35
16 27.155 36
17 27.165 37
18 27.175 38
19 27.185 39
20 27.205 40
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29 LTD Classic Specifications

GENERAL
Channels . . . . . . . . . . . . . . . . . . . . . . . . . . CB - 40 CH
Frequency Range . . . . . . . . . . . . . . . . . . CB - 26.965 to 27.405 MHz
Frequency Tolerance . . . . . . . . . . . . . . . 0.005 %
Frequency Control . . . . . . . . . . . . . . . . . PLL (phase lock loop) Synthesizer
Operating Temperature Range . . . . . -30° C to + 50° C
Microphone . . . . . . . . . . . . . . . . . . . . . . . Plug-in dynamic
Input Voltage . . . . . . . . . . . . . . . . . . . . . . 13.8VDC nom. (positive or negative ground)
Current Drain . . . . . . . . . . . . . . . . . . . . . Transmit: AM full mod., 1.5A (maximum)
Channel
Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-5/8" D x 7-9/32" W x 2-13/64" H
Freq.
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 lbs.
Antenna Connector . . . . . . . . . . . . . . . .UHF; SO-239
Meter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Illuminated; indicates relative power output,
27.215
TRANSMITTER
27.225
Power Output . . . . . . . . . . . . . . . . . . . . . .4 watts
27.255
Modulation . . . . . . . . . . . . . . . . . . . . . . . .AM (Amplitude Modulation)
Frequency Response . . . . . . . . . . . . . . .300 to 3000 Hz
27.235
Output Impedance . . . . . . . . . . . . . . . . .50 ohms, unbalanced
27.245
RECEIVER
Sensitivity . . . . . . . . . . . . . . . . . . . . . . . . .Less than 1 µV for 10 dB (S+N) /N
27.265 Selectivity . . . . . . . . . . . . . . . . . . . . . . . . .6 dB @ 7 kHz, 60 dB @ 10 kHz
Image Rejection . . . . . . . . . . . . . . . . . . .80 dB, typical
27.275
Adjacent-Channel Rejection . . . . . . . .60 dB, typical
IF Frequencies . . . . . . . . . . . . . . . . . . . . .Double Conversion: 1st: 10.695 MHz
27.285
27.295
Automatic Gain Control (AGC) . . . . . .Less than 10 dB change in audio output for
27.305
RF Gain Control . . . . . . . . . . . . . . . . . . . .Adjustable for optimum signal reception
Noise Blanker . . . . . . . . . . . . . . . . . . . . . .RF type
Squelch . . . . . . . . . . . . . . . . . . . . . . . . . . . .Adjustable; threshold less than 1µV
27.315
Audio Output Power . . . . . . . . . . . . . . .4 watts
Frequency Response . . . . . . . . . . . . . . .300 to 3000 Hz
27.325
Distortion . . . . . . . . . . . . . . . . . . . . . . . . . .Less than 5% @3 watts @ 1000 Hz
27.335
Built-in Speaker . . . . . . . . . . . . . . . . . . . .8 ohms, 5w
External Speaker (Not supplied) . . . . . .8 ohms; disables internal speaker
27.345
27.355
PA SYSTEM
Power Output . . . . . . . . . . . . . . . . . . . . . .4 watts into external speaker
27.365 External Speaker for PA . . . . . . . . . . . . .8 ohms, when PA-CB switch is in PA,
(Not Supplied) . . . . . . . . . . . . . . . . . . . . .The PA speaker also monitors the receiver;
27.375
27.385
(SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE)
27.395
27.405
Receive: Squelched, 0.3A;
full audio output, 1.2A (nominal)
received signal strength and VSWR
2nd: 455 kHz
inputs from 10 to 50,000 microvolts
when connected
separate jack provided
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